China’s many dams are increasingly facing safety problems resulting from the natural aging of the dam hydraulic structure and geological disasters such as earthquakes under the operating condition of holding a vast a...China’s many dams are increasingly facing safety problems resulting from the natural aging of the dam hydraulic structure and geological disasters such as earthquakes under the operating condition of holding a vast amount of water.Problems such as dam leakage and concrete cracking and erosion seriously affect the normal operation and effectiveness of a reservior.It is impossible to empty a large reservoir with a high dam for many reasons,such as serious environmental consequences,and it is thus difficult to detect the working conditions of the underwater part of the facility.There is an increasingly urgent demand for detection and repair technologies that can be used in the deepwater environment.Indeed,there are cutting-edge deepwater detection and processing technologies for hidden dangers in dam engineering.The core technologies include underwater detection equipment,diving technologies,and underwater operation technologies.This paper analyzes safety-oriented detection equipment recently used in unmanned detection,manned detection,and deepwater diver detection from the viewpoint of practical application.The paper further reviews 100-m-depth-class technologies and applications of safety inspection,repair,and reinforcement equiment in the deepwater environment of reservoir dams.An outlook is provided on technology trends of deepwater detection,repair,and reinforcement and critical problems.展开更多
Leak Detection and Repair(LDAR)技术是对工业生产活动中工艺装置泄漏现象进行发现和维修的一种技术。以国内某PTA装置设备组件泄漏的挥发性有机化合物(VOCs)为例,应用LDAR技术开展PTA装置泄漏检测并统计数据,计算VOCs泄漏损失量,建立...Leak Detection and Repair(LDAR)技术是对工业生产活动中工艺装置泄漏现象进行发现和维修的一种技术。以国内某PTA装置设备组件泄漏的挥发性有机化合物(VOCs)为例,应用LDAR技术开展PTA装置泄漏检测并统计数据,计算VOCs泄漏损失量,建立泄漏检测与修复体系,具有一定的实践意义。展开更多
基金supported by the National Natural Science Foundation of China(Grant No.51979176)the Water Conservancy Technology Demonstration Program of the Ministry of Water Resources(Grant No.SF202108)the Fundamental Research Fund Program of the National Research Institutes for Public Welfare(Grant No.Y720001)。
文摘China’s many dams are increasingly facing safety problems resulting from the natural aging of the dam hydraulic structure and geological disasters such as earthquakes under the operating condition of holding a vast amount of water.Problems such as dam leakage and concrete cracking and erosion seriously affect the normal operation and effectiveness of a reservior.It is impossible to empty a large reservoir with a high dam for many reasons,such as serious environmental consequences,and it is thus difficult to detect the working conditions of the underwater part of the facility.There is an increasingly urgent demand for detection and repair technologies that can be used in the deepwater environment.Indeed,there are cutting-edge deepwater detection and processing technologies for hidden dangers in dam engineering.The core technologies include underwater detection equipment,diving technologies,and underwater operation technologies.This paper analyzes safety-oriented detection equipment recently used in unmanned detection,manned detection,and deepwater diver detection from the viewpoint of practical application.The paper further reviews 100-m-depth-class technologies and applications of safety inspection,repair,and reinforcement equiment in the deepwater environment of reservoir dams.An outlook is provided on technology trends of deepwater detection,repair,and reinforcement and critical problems.
文摘Leak Detection and Repair(LDAR)技术是对工业生产活动中工艺装置泄漏现象进行发现和维修的一种技术。以国内某PTA装置设备组件泄漏的挥发性有机化合物(VOCs)为例,应用LDAR技术开展PTA装置泄漏检测并统计数据,计算VOCs泄漏损失量,建立泄漏检测与修复体系,具有一定的实践意义。
